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CS42L52-CNZ Folha de dados(PDF) 10 Page - Cirrus Logic |
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CS42L52-CNZ Folha de dados(HTML) 10 Page - Cirrus Logic |
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10 / 82 page  10 DS680F1 CS42L52 5/13/08 2. TYPICAL CONNECTION DIAGRAM Note 4 Note 3 Note 2 Note 1 1 µF +1.8 V to +2.5 V 0.1 µF 1 µF DGND VL 0.1 µF +1.8 V to +3.3 V SCL SDA RESET 2 k Ω LRCK Digital Audio Processor MCLK SCLK VD MIC1- AIN3A/MIC1A Microphone 1 SDIN SDOUT CS42L52 2 k Ω MICBIAS +1.8 V to +2.5 V HP/LINE_OUTB HP/LINE_OUTA AIN1A Left 1 1800 pF 1800 pF 100 k Ω 100 Ω AIN1B Right 1 * * RL 0.1 µF VA Headphone Out Left & Right Line Level Out Left & Right FLYP FLYN -VHPFILT 0.1 µF 51.1 Ω 0.022 µF 100 k Ω 100 Ω SPKR_OUTA+ SPKR_OUTA- SPKR/HP 51.1 Ω 0.022 µF MIC1+ AIN4A/MIC2A MIC2+ AIN4B/MIC2B Microphone 2 MIC2- AIN3B/MIC1B 100 k Ω RL 100 k Ω 1 µF 1 µF 0.1 µF +VHP 1 µF 10 µF VQ AGND * Capacitors must be C0G or equivalent 150 pF AFILTA AFILTB 150 pF 1 µF ** FILT+ 1 µF 1 µF 1 µF 1 µF * *Use low ESR ceramic capacitors. ** ** See Note 5 SPKR_OUTB+ SPKR_OUTB- 1 µF VP VP +1.6 V to +5 V Stereo Speakers AIN2A Left 2 1800 pF 1800 pF 100 k Ω 100 Ω AIN2B Right 2 * * 100 k Ω 100 Ω 1 µF 1 µF 0.1 µF 0.1 µF Analog Input 1 Analog Input 2 10 µF Mic-Level Inputs 47 k Ω Notes: 1. Recommended values for the default charge pump switching frequency. The required capacitance follows an inverse relationship with the charge pump’s switching frequency. When increasing the switching frequency, the capacitance may decrease; when lowering the switching frequency, the capacitance must increase. 2. Larger capacitance reduces the ripple on the internal amplifier’s supply. This may reduce the distortion at higher output power levels. 3. Additional bulk capacitance may be added to improve PSRR at low frequencies. 4. These capacitors serve as a charge reservoir for the internal switched capacitor ADC modulators. They are only needed when the PGA (Programmable Gain Amplifier) is bypassed. 5. Series resistance in the path of the power supplies must be avoided. Any voltage drop on VHP will directly impact the negative charge pump supply (-VHPFILT) and clip the audio output. 6. The value of RL, a current-limiting resistor used with electret condenser microphones, is dictated by the microphone cartridge. 7. The negative terminal of the MICx inputs connects to the ground pin of the microphone cartridge. Gain is applied only to the positive terminal. Note 6 Note 7 Note 7 Figure 1. Typical Connection Diagram |
Nº de peça semelhante - CS42L52-CNZ |
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Descrição semelhante - CS42L52-CNZ |
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